Verified80% confidenceFactExact time
Lean is an interactive theorem prover developed by Leonardo de Moura at Microsoft Research, based on dependent type theory.
4
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80%
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Long-term
Relevance
9/9/2026
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Related Claims
VerifiedLean is based on dependent type theory and expresses proofs and programs in a unified manner.77% similarVerifiedLean is an interactive theorem prover developed by Microsoft Research that allows mathematicians to write proofs in a formal language and have their logical correctness verified by a computer.77% similarVerifiedLean is an interactive theorem prover that requires every step of a proof to hold within a strict formal logic framework.71% similarUnverifiedLean was initiated by Microsoft Research and has since developed the vast mathematics library mathlib; Coq is widely used for program correctness proofs.68% similarVerifiedThe Lean formal proof assistant operates on the basis of type theory and the Curry–Howard correspondence, and every proof step must be verified by the kernel's type checker64% similar
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